A spiritual/emotional connection you have to someone after being intimate with them, usually engaging in sexual intercourse. To the point that when you want to be rid of them from your mind and your life, even when you are far away from them and out of their prescence you still feel as if they are apart of you and apart of you is with them, Causing you to feel unwhole, as if you've given up some of yourself untangible that cannot be easily possessed again.

We have soul ties; we slept together months ago but sometimes I still feel connected to him, like it was just yesterday, though he did me wrong.